About
Trusted Accounting and Tax Professionals in New Hampshire
At Plodzik & Sanderson, P.A., we are proud to be a cornerstone of New Hampshire’s financial community, providing personalized tax, accounting, and advisory services to commercial, nonprofit, and government organizations since 1975. Over the decades, we’ve built a reputation for excellence through our dedication to client success and our passion for solving complex financial challenges. Our New Hampshire-based firm specializes in a broad range of services, including auditing, accounting, tax preparation, and management advisory support. With an emphasis on fostering long-term client relationships, we focus on delivering tailored solutions that align with your unique financial goals.
A Legacy of Growth and Expertise
Our history is marked by a commitment to growth and innovation. In 2024, we merged with CSP Tax & Accounting, enhancing our expertise and capacity to serve a diverse client base. In 2025, we welcomed the team from Janet Spalding CPA, further strengthening our services for individuals and small businesses. These partnerships have enriched our capabilities and reaffirmed our commitment to offering comprehensive financial solutions.
Services for Individuals and Small Businesses
We understand that every tax situation is unique. That’s why our experienced professionals offer year-round tax planning and preparation services designed to minimize liabilities and maximize returns for individuals and small businesses. By gaining a deep understanding of your financial landscape, we craft multi-year strategies to optimize results for both the current and future tax seasons.
Governmental Services
As pioneers in governmental auditing in New Hampshire, Plodzik & Sanderson, P.A. has proudly provided unmatched services to school districts, municipalities, and other public entities to ensure financial transparency and compliance.
Working with Nonprofit Organizations
We also provide specialized services for nonprofits, assisting with financial reporting, Form 990 filings, and independent audits required by state regulations.
A Partnership for Your Success
Our team of Certified Public Accountants and Certified Fraud Examiners is dedicated to understanding your needs and delivering solutions that make a lasting impact. As active members of the New Hampshire community, we value the trust placed in us and strive to exceed expectations at every opportunity.
Contact Us
Ready to experience the Plodzik & Sanderson difference? Contact us today to schedule a consultation. Let us help you achieve financial clarity and success.-
Sylvia Y. Petro, CPA, CFE, MSA
Sylvia Y. Petro, CPA, CFE, MSA has been working in Public Accounting since 1998 and in the accounting field since 1995. Throughout the years Sylvia has enjoyed the relationships developed with her clients, assisting with tax planning and preparation services for individuals, businesses, and non-profit organizations (forms 1040, 1041, 1065, 1120, 1120S, and 990); along with business consulting, payroll education, bookkeeping, financial statement preparation (Personal, Compilation and Review), and forensic examination services.
Professional Memberships/Involvement
- Member American Institute of Certified Public Accountants (AICPA)
- Member of American Certified Fraud Examiners (ACFE)
- Member New Hampshire Society of Certified Public Accountants (NHSCPA)
- Member Manchester Chamber of Commerce
Education
- Master of Science in Accounting
- Graduate Certificate in Forensic Accounting
- Distinguished Graduate, United States Army NCO Academy, San Francisco, California
- Continuing professional education as required by AICPA
- ACFE